CA2556838A1 - Microfiber chalkboard eraser - Google Patents

Microfiber chalkboard eraser Download PDF

Info

Publication number
CA2556838A1
CA2556838A1 CA002556838A CA2556838A CA2556838A1 CA 2556838 A1 CA2556838 A1 CA 2556838A1 CA 002556838 A CA002556838 A CA 002556838A CA 2556838 A CA2556838 A CA 2556838A CA 2556838 A1 CA2556838 A1 CA 2556838A1
Authority
CA
Canada
Prior art keywords
cleaning sheet
eraser
central core
face
microfiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002556838A
Other languages
English (en)
French (fr)
Inventor
Jianbo Deng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2556838A1 publication Critical patent/CA2556838A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L21/00—Blackboard or slate cleaning devices
    • B43L21/04—Wiper holders

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
CA002556838A 2005-08-26 2006-08-22 Microfiber chalkboard eraser Abandoned CA2556838A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/212,991 US20070044263A1 (en) 2005-08-26 2005-08-26 Microfiber chalkboard eraser
US11/212,991 2005-08-26

Publications (1)

Publication Number Publication Date
CA2556838A1 true CA2556838A1 (en) 2007-02-26

Family

ID=36922596

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002556838A Abandoned CA2556838A1 (en) 2005-08-26 2006-08-22 Microfiber chalkboard eraser

Country Status (3)

Country Link
US (1) US20070044263A1 (zh)
CN (1) CN100368209C (zh)
CA (1) CA2556838A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE530476C2 (sv) * 2006-11-02 2008-06-17 Smart Products Scandinavia Ab Rengöringsduk med både tork- och skrubbfunktion
CN102848829A (zh) * 2012-08-01 2013-01-02 济南蓝贝思特科技有限公司 分体式吸水性黑板擦
USD872178S1 (en) * 2018-01-26 2020-01-07 Ningbo Skl International Co., Ltd. Eraser
BE1027455B1 (nl) * 2019-07-23 2021-02-23 Polyvision Nv Houder voor toebehoren bij een communicatiebord
USD941393S1 (en) * 2021-01-28 2022-01-18 Comsero, Inc. Eraser

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080683A (en) * 1976-11-22 1978-03-28 Chong Sun Yi Chalk board eraser
US4392268A (en) * 1981-12-14 1983-07-12 Bueno Victor M Chalkboard eraser cleaner system
US4543680A (en) * 1984-01-18 1985-10-01 Vlahos Stephanie A Blackboard eraser handle
US4937910A (en) * 1988-11-30 1990-07-03 Frazier Thomas G White board eraser
CA1314842C (en) * 1989-02-27 1993-03-23 Roger Durand Cap for a writing instrument
US4941225A (en) * 1989-11-13 1990-07-17 Liao Su Land Automatic chalk-powder collecting device for blackboard eraser
US5365631A (en) * 1993-07-12 1994-11-22 Emerick Matthew W Eraser carrier
CN2228850Y (zh) * 1995-09-29 1996-06-12 陈秉煌 新型板擦
CN2288855Y (zh) * 1997-04-03 1998-08-26 赵润生 电动除尘、吸尘、过滤式黑板擦
CN2611182Y (zh) * 2003-03-26 2004-04-14 陈志红 电动吸尘式黑板擦
US20040205919A1 (en) * 2003-04-21 2004-10-21 Sims William M. Disposable dry marker eraser
CN2642527Y (zh) * 2003-06-06 2004-09-22 李国伟 一种可卸换擦拭面的黑板擦
CN2695252Y (zh) * 2003-07-16 2005-04-27 梁晨阳 防尘黑板擦
US6895627B1 (en) * 2004-02-02 2005-05-24 Chieh-Jen Lin Blackboard eraser

Also Published As

Publication number Publication date
CN1820968A (zh) 2006-08-23
US20070044263A1 (en) 2007-03-01
CN100368209C (zh) 2008-02-13

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Legal Events

Date Code Title Description
FZDE Discontinued
FZDE Discontinued

Effective date: 20090824